| // +build OMIT |
| |
| package main |
| |
| import ( |
| "encoding/json" |
| "fmt" |
| "log" |
| "strings" |
| "time" |
| ) |
| |
| const input = ` |
| { |
| "name":"Gopher", |
| "birthdate": "2009/11/10", |
| "shirt-size": "XS" |
| } |
| ` |
| |
| type Person struct { |
| Name string `json:"name"` |
| Born time.Time `json:"birthdate"` |
| Size ShirtSize `json:"shirt-size"` |
| } |
| |
| type ShirtSize byte |
| |
| const ( |
| NA ShirtSize = iota |
| XS |
| S |
| M |
| L |
| XL |
| ) |
| |
| func (ss ShirtSize) String() string { |
| s, ok := map[ShirtSize]string{XS: "XS", S: "S", M: "M", L: "L", XL: "XL"}[ss] |
| if !ok { |
| return "invalid ShirtSize" |
| } |
| return s |
| } |
| |
| func main() { |
| var p Person |
| dec := json.NewDecoder(strings.NewReader(input)) |
| if err := dec.Decode(&p); err != nil { |
| log.Fatalf("parse person: %v", err) |
| } |
| fmt.Println(p) |
| } |
